28 public questions tagged with this topic.
Sixth ionization enthalpy peaks when removing an electron from a stable X⁵⁺ ion. Te (after losing five electrons, becomes Te⁵⁺ with 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶) has the highest value in period 5.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
Second ionization enthalpy is highest when removing an electron from a stable X+ ion. Na (after losing one electron, becomes Na+ with 1s² 2s² 2p⁶) has the highest value in period 3 compared to Mg, Si, or P.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
Micropropagation is used for large-scale production of genetically identical plants.
Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biopiracy and Biopatent - Basmati Turmeric Neem
DNA ligase is an enzyme used to join DNA fragments by forming phosphodiester bonds during recombinant DNA_x000D_ formation.
Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biopiracy and Biopatent - Basmati Turmeric Neem
Restriction enzymes act as molecular scissors, cutting DNA at specific recognition sequences, crucial for_x000D_ recombinant DNA technology.
Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biopiracy and Biopatent - Basmati Turmeric Neem
The Biodiversity Act in India helps prevent the unauthorized exploitation of bio-resources.
Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biopiracy and Biopatent - Basmati Turmeric Neem
Biopiracy is the unauthorized exploitation of biological resources, often leading to the commercial_x000D_ benefit of one party without fair compensation to the source region.
Ref: NCERT Class 12 Biology Chapter 10: Biotechnology and its Applications Biopiracy and Biopatent - Basmati Turmeric Neem
Freshwater fishes excrete large amounts of dilute urine to prevent excess water accumulation and maintain osmotic balance.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Arthropoda
Poriferans have a unique water canal system, which helps in food gathering, respiration, and excretion.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Arthropoda
Parapodia are lateral appendages in Nereis that help in swimming and locomotion.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Aschelminthes and Annelida
Parasitic helminths, such as tapeworms, exhibit high reproductive capacity to ensure survival despite host immune responses.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Aschelminthes and Annelida
Annelids show true segmentation (metamerism), where the body is divided into repetitive segments.
Ref: NCERT Class 11 Biology Chapter 4: Animal Kingdom Phylum Aschelminthes and Annelida
